
Guide to 99427 CPT Code Description, Billing, and Best Practices

The 99427 CPT code is a critical task for healthcare providers offering telehealth services. As digital healthcare evolves, understanding how to correctly document and bill for online evaluation and management (E/M) services ensures compliance and maximizes reimbursement.
This guide dives deep into the 99427 code, its applications, and key billing rules.
What is CPT Code 99427?
CPT 99427 describes an online digital evaluation and management (E/M) services provided by a physician or qualified healthcare professional (QHP) to an established patient over 7 days.
Key Highlights
- Service Type: Asynchronous communication (e.g., secure messaging, patient portal).
- Patient Status: Established patients only (seen within the past 3 years).
- Time Requirement: Cumulative time of ≥15 minutes spent reviewing records, communicating, and documenting care.
- Scope: Addresses patient concerns, adjusts treatment plans, or coordinates care without a face-to-face visit.
Coding and Billing Criteria for CPT 99427
Eligibility Criteria
- Established Patients Only: No new patients.
- 7-Day Window: All activities must occur within 7 days of the initial inquiry.
- Time Tracking: Document start/end times or total minutes spent.
Bundling and Modifiers
- Do Not Report With:
- Face-to-face E/M services (e.g., 99212-99215) on the same day.
- Related procedures within 7 days (e.g., lab orders).
- Modifiers: Use if required by payers (e.g., 95 for telehealth).
Reimbursement Considerations
- Coverage Varies: Confirm with Medicare, Medicaid, or private insurers.
- Typical Reimbursement: 50–50–100 (varies by payer and region).
Avoid These Common Mistakes
- Incorrect Patient Status: Using 99427 for new patients.
- Insufficient Time: Failing to meet the 15-minute threshold.
- Duplicate Billing: Overlapping with other codes (e.g., 99421–99423 for clinical staff).
99427 vs. Similar Codes: Quick Comparison
Code                  |           Service       |   Time | Provider Type |
99427 | Online E/M by physician/QHP    | ≥15 mins        | MD/QHP |
99421–99423 |   Online E/M by clinical staff | 5–21+ mins | Clinical Staff |
Billing for PCM Services
Follow these four steps to ensure proper billing:
- Verify CMS requirements for the patient every month.
- Submit claims to CMS every month.
- Send invoices to patients enrolled in PCM services.
- Ensure no conflicting codes are submitted for billing.
Conclusion
The CPT 99427 code provides a crucial mechanism for healthcare companies to supply and be reimbursed for extended care control services. By adhering to the coding and billing criteria, vendors can make certain seamless reimbursements at the same time as improving the quality of care for patients with high-risk chronic situations.
For practices looking to optimize their revenue cycle, leveraging digital health solutions like Express MBS Wellness suite can simplify workflows and enhance efficiency. By integrating CPT Code 99427 and other PCM codes effectively, providers can maximize both patient outcomes and practice profitability.